Merge branch 'PR/Benno-text-fixes-w7' of https://github.com/karelzak/util-linux-work

* 'PR/Benno-text-fixes-w7' of https://github.com/karelzak/util-linux-work:
  zramctl: improve grammar in usage and don't gettextize list of algorithms
  usage: mention also the missing KiB and MiB as permissible suffixes
  man pages: use the same verb for --version as for --help, like in usages
  renice: put text that belongs together into a single translatable message
  blkzone: correct the wording of an error message, from ioctl to function
  blkpr: grammarize the description of the tool and its options
  textual: give seven error messages the same form as two others
  unshare: don't mark "|" and ":" as part of the placeholders
  mount: properly mark the arguments of the 'ro' and 'rw' extended options
  textual: consistently mark "=" as literal before an optional argument
  textual: remove other inconsistent uses of "=" before option argument
  unshare: use single asterisks around long options, double around values
  unshare: don't use "=" before a required option argument
  setpriv: make message for failing PR_GET_PDEATHSIG the same as the other